Display box



FIG. 1 is a perspective view of a display box showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line portion of the figure drawings is included to showunclaimed subject matter only and forms no part of the claimed design.

The ornamental design for a display box, as shown and described. 